Oneyda奥内达onen.一；一个；一体adj.一个的；某一个的；唯一的；同一的pron.任何人；某人one-time consumption一次消费One sows another reaps不劳而获one-step preparation一步合成One suit of bias power工件偏压一套one-piece crankshaft整体曲柄轴one- time one secret一次一密one component material单一性材料one-dimensional code一维代码One transit smart card一卡通行One that is naughty.顽皮的人